Domain and Range of Linear Functions

What is the RANGE of this graph?

• -7<y<5

• -7≤y<5

• -3<y<1

• -3≤y<1

What is the domain of the graph?

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{0, 1, 2, -4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

What is the domain?

• x = 2

• −∞ < x < ∞

• y = 2

• none of these

What is the domain of the function?

• x>3 
• x≥-3
• y≤4
• y<4

What is the Range of the situation?

• All real numbers greater than or equal to 0 and less than or equal to 28
• All real numbers greater than or equal to 0 and less than or equal to 9
• All real numbers less than or equal to 28
• All real numbers less than or equal to 9

A Water tank is draining and takes a certain amount of time. Which inequality best represents the domain?

• 0 < y < 500

• 500

• 0 < x < 20

• 20

• HINT: What is the smallest x and what is the biggest?

What is the range of the function graphed in the image? HINT: range is y values. open circle no equal sign, closed circle gets the equal sign.

• {x | -2 ≤ x < 4}

• {x | -2 < x ≤ 4}

• {y | -3 < y ≤ 3}

• {y | -3 ≤ y < 3}

What is the domain and range of the line segment?

• Domain: All real numbers

  Range: All real numbers

• Domain: All real numbers greater than -7 and less than 4

  Range: All real numbers greater than -1 and less than 2

• Domain: All real numbers greater than -7 and less than or equal to 4

  Range: All real numbers greater than or equal to -1 and less than 2

• Domain: All real numbers greater than or equal to -1 and less than 2

  Range: All real numbers greater than -7 and less than or equal to 4

What is the domain of the graph shown?

• {-2, -1, 0, 1, 2, 3, 4}

• {2, 3, 4}

• 2 ≤ y ≤ 4

• -2 ≤ x ≤ 4